/****************************************************************************
**
** Copyright (C) 2014 Kurt Pattyn <pattyn.kurt@gmail.com>.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWebSockets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef ECHOCLIENT_H
#define ECHOCLIENT_H

#include <QNetworkAccessManager>
#include <QWebSocketServer>
#include <QtCore/QObject>
#include <QtWebSockets/QWebSocket>
#include <QJsonObject>
#include <QProcess>
#include <QNetworkReply>
#include <QWebSocket>
#include <QFileDialog>
#include <QMutex>

/*
objdump -S XXXX.exe > aaa.asm
*/

class CabinetClient : public QObject
{
    Q_OBJECT
public:
    explicit CabinetClient(QObject *parent = Q_NULLPTR);
    virtual ~CabinetClient();
    bool init();

public Q_SLOTS:
    void slt_ReloadConfig();

Q_SIGNALS:
    void remoteDisconnected();
    void sig_clientLogin(QString client_id, QString host);
    void sig_statusChange(QString msg);
    void sig_task_start(QJsonObject task);
    void sig_task_done(QJsonObject task, bool result, QString msg);
    void sig_destruct();
    void sig_local_broadcast(QString msg);
    void sig_local_send(QWebSocket* ws, QString msg);
    void sig_local_send_default(QString msg);
    void sig_local_path_select(QWebSocket* ws, QJsonObject msg);
    void sig_cancel_task(QString task_id);

    void sig_file_dialog_show();
    void sig_file_dialog_hide();
    void sig_kicked_by_server();

private Q_SLOTS:
    void onRemoteConnected();
    void onRemoteMessageReceived(QString message);

    void onLocalMessageReceived(const QString &message);
    void onLocalNewConnection();

    void onProcessFinished(int exitCode, QProcess::ExitStatus);
    void onFetchTaskError(QNetworkReply::NetworkError err);
    void onFinishTaskError(QNetworkReply::NetworkError err);

private:
    QWebSocketServer m_WS_server;
    QUrl m_url;
    int m_local_port = 0;
    int m_server_port = 0;
    bool m_debug, m_kicked = false;
    QString m_id,m_room_id, m_client_id, m_server_host;

    QWebSocket* m_pWS_remote = Q_NULLPTR;

    QNetworkAccessManager m_qnam;

    bool m_DownloadDefaultDirOn = false;
    QString m_DownloadDefaultDir;
    QString m_TaskExecuteName;

    int m_last_task_id = 0;

    QMutex m_dlg_mtx;
    QDialog* m_dlg = nullptr;

protected:
    void taskHandle(QJsonObject obj);
    QString getLocalPath(const int  id, const QJsonObject& task) const;
    void fetchTask(int cnt = 3);

    // refinish if fail
    void finishTask(QJsonObject task, bool result, QString msg=QString());
    QString getTaskSrc(const QJsonObject& task) const;
    QString getTaskDst(const QJsonObject& task) const;
    void connectToServer();

    void handleLocalMessage(QWebSocket* ws, const QString& msg);
    void handleRemoteMessage(const QString& msg);

};

#endif // ECHOCLIENT_H
